Screen-shoe for separators.



PATENTED NOV. 3, 1903. J. N. KAILOR & M. T. REEVES.

SCREEN SHOE POR SEPARATORS.

APPLICATION-FILED JUNE 15, 1903.

N0 MODEL.

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7% .T ohn N. Kailor Marshal T. Reeves y A c I JOI-IN`N. KAILOR ANDMARSHAL T.

i Patented November 3, 1903. i

ATENT OFFICE.`

REEVES, OF COLUMBUS, INDIANA, l

ASSIGNORS TO REEVES & COMPANY, OF COLUMBUS, INDIANA, A

CORPORATION OF INDIANA.

SCREEN-SHOE F-OR SEPARATORS.

SPEC-Il-FIGATION forming part of Letters Patent No. 743,087, datedNovember 3, 1903.

Application filed J'uneIE. 1903.

To all whom it may concern: .Y

Be it known that we, JOHN N. KAILoaand MARSHAL T. REEVES, citizens ofthe United States, residing at Columbus, in the county of BartholomewandState of Indiana, have invented certain new and useful Improvementsin Screen-Shoes for Separatore, of which the following is aspecification.

The object of our invention is to provide means in or in connectionwiththe-,screen shoe of a separator by means of which the separated grainlmay be divided into different 1 grades,'the device being especiallydesigned for use in 4rice-separators in order to divide the rice intodi'verent grades according to` tor-casing, and llthe vibratoryscreen-shoe,

having the usual screens 12 therein; Arranged beneath screens 12 is aninclined floor consisting of a fixed forward ,portion 13 and a slidingrear portion 14, which lies upon portion 13 and is adapted to bridge thegap between the rear end of portion 13'and the divider-board'l. Themovablefloor 14 is pro- .vided with a rack 16, into which meshes anoperating-gear 17, the shaft 18 of 'which is carried to the outside ofcasing 10 andprovided with any suitable means by which it may beoperated. Arranged beneath the. floors 13 14 is'a xed licor 19, which atits forward end has an opening 20 above the delivery-screw 21, Theforward end. of Iioor portion 13 lies above a feed-screw 22, arrangedalongside of screw21. Floor 19 extends rearward to a vpoint a shortdistance from divider'- board 15, and the space between said floor andthe divider-board is bridged by two removable bridge-slats 23 and 24,which are hinged together for a purpose which will appear. Lying beneaththe opening bridged by slats 23 and 24 is athird feed-screw 25. The

serial No. 161,518. (No man.)

usual blast-fan 26 is provided for furnishing the necessary blast to theshoe.

In operation the blast from fan 26 serves to carry the lighter graintoward the rear, the heavier grain falling upon bottomportions 13 and 14and sliding forward to screw 22, and if the bottoniportion 14 isextended to divider-board 15 all of the grain excepth the tailings passto screw 22, while the tailings pass over divider-board 15 and drop intothe box of screw 25. If the operator desires to separate his grain intotwo grades one of which shall be only the very heaviest and ',bestgrain, bottom portion 14 may-be retracted to the point shown in Fig. 2,where upon all but the heaviest of the grain will drop upon the rear endof the fixed floor 19 and slide forward through opening 2O to screw 21,while the heaviest grain will drop upon the retracted bottom 14 and passto screw 22. By adjusting bottom 14 toward or from the divider-board 15the grain may be very accurately divided into two classes. It, on theother hand, it is desired that some of the lighter grain shall pass'intotailings', slat 24 will be turned up to the position shown in Fig. 2,whereupon the lighter grain passes to' 4the screw 25. If the rear end ofbottom portion 14 stands even with slat 24 in its raised position, allof the grain which does not pass to screw 25 will pass forward to screw22; but by placing the rear end ofbottom atany point forward of slat24three grades of grain may be had.

We claim as our invention- 1. In a screen-shoe for separators, thecombination, with the shoe and screens thereof, of a closed bottomarranged beneath the screens to receive material therefrom andconsisting in part of an adjustable section, means for adjusting saidsection longitudinally of the screens, and grain-receiving meansarranged at each end of the bottom, for the purpose set forth.

2. In a screen-shoe for separators, the combination, with the shoe andscreens thereof, of a fixed bottom section, an adjustable bottom sectiereans for adjusting said bottom bination, With a shoe and screensthereof, of

bottom 19, bridge-slats 23, 24, bottom 13, adt5' justable bottom 14, andmeans for adjusting said bottom longitudinally of the screens,substantially as and for the purpose set forth.

In Witness whereof we have hereunto set our hands and seals at Columbus,Indiana, zo

this 10th day of June, A. D. 1903.

JOHN N. KAILOR. v. s] MARSHAL T. REEVES. L. s] Witnesses:

HELEN J. HALBERT, BERTHA L. HARRISON.

